Viaxal Enhance This is a start for you to improve your male natural enhancement power. In the following information, you will find what you need to do to bring your heart and arteries back into Viaxal Enhance for better blood flow and for better production of nitric oxide. First that you have by your own nature the ability to get hard for sex and this I call natural enhancement. Catuaba - helps to treat sexual impotence. Damina - boosts sexual desire and passion. If these instructions are followed, the user will start to notice longer and harder erections.